Professional Developer’: Guide
`
`»~.......wy»»-; nmmm
`
`..
`
`ha
`
`‘
`
`e
`
`V
`
`L wuey Computer Publishing j
`
`UA-1012.001
`
`

`
`Publisher: Robert Ipsen
`Editor. Carol A. Long
`Developmental Editor: Adaobi Obi
`Managing Editor". Angela Smith
`New Media Editor. Brian Snapp
`Text Design & Composition: D&G Limited, LLC
`
`Designations used by companies to distinguish their products are often claimed as
`trademarks. In all instances where John Wiley & Sons, Inc., is aware of a claim, the product
`names appear in initial capital or ALL CAPITAL LETTERS. Readers, however, should contact
`the appropriate companies for more complete information regarding trademarks and
`registration.
`
`This book is printed on acid-free paper. @
`
`Copyright © 2002 by Johan Hielm. All rights reserved.
`
`Published by John Wiley & Sons, Inc., New York
`
`Published simultaneously in Canada.
`
`N0 part of this publication may be reproduced, stored in a retrieval system or transmitted
`in any form or by any means, electronic, mechanical, photocopying, recording, scanning
`or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States
`Copyright Act, without either the prior written permission of the Publisher, or authoriza-
`tion through payment of the appropriate per-copy fee to the Copyright Clearance Center,
`222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4744. Requests to
`the Publisher for permission should be addressed to the Permissions Department, John
`Wiley & Sons, Inc., 605 Third Avenue, New York, NY 10158-0012, (212) 850-6011, fax (212)
`esesoos, E-Mail: PERMREQ @ WlLEY.COM.
`‘
`
`This publication is designed to provide accurate and authoritative information in regard
`to the subject matter covered. It is sold with the understanding that the publisher is not
`engaged in professional services. Ifprofessional advice or other e_xpeit assistance is
`required, the services of a competent professional person should be sought.
`
`Library of Congress Cataloging-in-Publication Data:
`
`Hjelm, Johan.
`Creating location services for the wireless web 2 professional
`developer's guide / Johan Hjelm.
`p. cm.
`ISBN 0-471-40261-3
`1. Wireless Application Protocol (Computer network protocol) 2. Web
`site development. 3. Geographic information systems. 4. Cellular
`telephone systems.
`I. Title.
`TK5105.5865.H554 2002
`005.2'76-—dc21
`
`2001006512
`
`Printed in the United States of America.
`
`10987654321
`
`UA-1012.002